A036616 - OEIS

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A036616

Number of 5-ary rooted trees with n nodes and height at most 5.

3

1, 1, 1, 2, 4, 9, 19, 41, 86, 182, 376, 776, 1579, 3205, 6442, 12899, 25651, 50793, 100016, 196121, 382719, 743834, 1439437, 2774670, 5327167, 10189508, 19416774, 36866735, 69748768, 131500273, 247070451, 462647957, 863441265, 1606169377

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Sean A. Irvine, Table of n, a(n) for n = 0..780

E. M. Rains and N. J. A. Sloane, On Cayley's Enumeration of Alkanes (or 4-Valent Trees), J. Integer Sequences, Vol. 2 (1999), Article 99.1.1.

Index entries for sequences related to rooted trees

CROSSREFS

Sequence in context: A084172 A018100 A052908 * A136298 A122584 A184936

Adjacent sequences: A036613 A036614 A036615 * A036617 A036618 A036619

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved